diff --git a/utils/rtpengine-ng-client b/utils/rtpengine-ng-client
index 9037bfc4d..44db0fcb1 100755
--- a/utils/rtpengine-ng-client
+++ b/utils/rtpengine-ng-client
@@ -33,6 +33,7 @@ my @flags = qw(
 	original-sendrecv
 	symmetric-codecs
 	asymmetric-codecs
+	allow-asymmetric-codecs
 	inject-DTMF
 	detect-DTMF
 	generate-RTCP